Gods acts of punishment and miracles.

[Edwardo Piet]

[...] obusly the god/ess would have to come forward and take responsibility and say why they did it.

How do you know that it's not an incredibly advanced alien life form?

There's one example of why science can't verify God. In fact Jesus may have really resurrected and the Bible might be completely true, apart from the fact that it was in fact a highly intelligent superpowerful alien lifeform that wrote the book and one of his alien chums that was Jesus.

Gods are usually unfalsifiable: outside the realm(s) of science.